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тАО10-29-2007 09:59 PM
тАО10-29-2007 09:59 PM
Moving disks from DL360 G2 to DL360 G3 - mirroring doesn't work
BUT: When I insert a second disk in the G3, to rebuild the mirror set, the synchronization doesn't start as it should. Normally, the new disk should start getting sync'ed with the existing disk after a few seconds. Instead, the new disk lights up a bit, and after a few seconds, it goes black, with no LED's lit. I have tried with several different disks, both the same size as the original, and bigger ones, both Ultra 3 disks and U320 disks. No difference.
I checked the firmware on the 5i controller in the G3 server, it has the latest firmware.
Is there some general problem moving disks between servers that could break the mirror sync. mechanism?
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тАО10-29-2007 10:14 PM
тАО10-29-2007 10:14 PM
Re: Moving disks from DL360 G2 to DL360 G3 - mirroring doesn't work
What do you see in the Array Configuration Utility ?
If not.. boot from the smartstart CD check the status of the RAID.
Regards.
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тАО10-29-2007 10:33 PM
тАО10-29-2007 10:33 PM
Re: Moving disks from DL360 G2 to DL360 G3 - mirroring doesn't work
If I go to "physical view", there is first a "36,4 GB Parallell SCSI Unassigned Drive at Port 1: SCSI ID 1". Below that, there is an Array A, marked with a red cross, under this array there is a "18,2 GB Parallell SCSI Drive at Port 1: SCSI ID 0", and also a "??? Parallell SCSI Drive at Port 2: SCSI ID 1". The last one is marked with a red cross.
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тАО10-29-2007 11:15 PM
тАО10-29-2007 11:15 PM
Re: Moving disks from DL360 G2 to DL360 G3 - mirroring doesn't work
if you can post a screenshot from the ACU and also a report from Array Diagnostic Utility will be helpful to check what is going on
regards
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тАО10-29-2007 11:27 PM
тАО10-29-2007 11:27 PM
Re: Moving disks from DL360 G2 to DL360 G3 - mirroring doesn't work
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тАО10-30-2007 01:17 AM
тАО10-30-2007 01:17 AM
Re: Moving disks from DL360 G2 to DL360 G3 - mirroring doesn't work
from the ADU report:
ErrorText SLOT 0 Smart Array 5i Controller
ErrorText Logical drive 1 status = Interim recovery (volume functional, but not fault tolerant)
ErrorText SCSI Port 2, drive ID 1 failed - REPLACE
ErrorText SCSI Port 1 Drive ID 1 RIS copies within this drive do not match
ErrorText Error occurred reading RIS copy from SCSI Port 2 Drive ID 1
So the RIS tabbles of the HDDs are corrupted.RIS tables on the HDDs contain information about the RAID settings.Old HDDs may contain RIS table, which may confuse the controller.Your controller is searching for a HDD on SCSI Port 2, drive ID 1.
You can try booting the server once without HDDs at all - that will reset the controller.After that boot the server with both HDD and check if rebuild starts.
I noticed that the new HDD (SCSI Port 1, Drive ID 1 ) has an old Firmware Revision (HPB1). If possible update HDD firmware from the FW CD or from the this link:
http://h18007.www1.hp.com/support/files/storage/us/index.html
The best way to overwrite RIS tables should be to backup the data, delete the array, recreate it and restore from backup after that...
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тАО10-30-2007 08:10 AM
тАО10-30-2007 08:10 AM
Re: Moving disks from DL360 G2 to DL360 G3 - mirroring doesn't work
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тАО10-30-2007 08:33 PM
тАО10-30-2007 08:33 PM
Re: Moving disks from DL360 G2 to DL360 G3 - mirroring doesn't work
However, after looking a bit more on this, I believe that the problem is probably that the 18GB disk I have taken from a DL380G2 has been connected to SCSI Port 2 in the DL380G2 (which is the only port we can use there).
Sorry, I see that in my first post, I said that the original server was a DL360G2. My mistake.
When I put the disk into the DL360G3, the disks are connected to SCSI Port 1, and when the RAID info on the disk is read, the server expects to find the missing drive on SCSI Port 2, ID1, which it of course cannot.
I could probably solve the problem as such by erasing the drive, thus resetting the RAID info on it, but since the whole idea is that I wants to keep the data on the disk, this wouldn't solve anything.
Is there any way of editing / changing the RAID info on the disk without erasing the data?
Or, is there any other way I can solve this?
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тАО10-31-2007 07:45 AM
тАО10-31-2007 07:45 AM
Re: Moving disks from DL360 G2 to DL360 G3 - mirroring doesn't work
This is quite common when moving a single drive from a system where the default port is port 2. Unfortunately there is not any quick solution. I believe that one way round it is as follows:-
On DL380 G2 insert a new fresh disk in the disk 0 position which was removed and let it rebuild completely. Shut down and now remove the original member of the mirrored pair (disk 1). Make sure the system will now reboot OK with the replacement disk before doing anything else. Once it has booted OK place the removed disk back with it's original partner on the DL360 G3.
It's not only the port information which is held on RIS, the drive serial numbers and other information is there too. Hopefully when the controller detects that both disks are the original members of the mirror, it should not complain since "drive roaming" is a feature of the Smart Array controllers.
In other words you can move disks from internal bays to external bays and to other servers providing they remain intact.
I hope this works.
Regards,
Brian
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тАО10-31-2007 08:44 AM
тАО10-31-2007 08:44 AM